Stove



J.v CRAIN Amed Nov. 192s June 14 1927.

5 provide an vapparatus of the kind referred'Y Patented June 14, 1927.

UNI-TED `STA-Tiss JOHN caninos PAxN'EsvILLn, omo.

PATENT .oFFlcl-:r

STOVE.

Application #led Novieniber 5, 1925, Serial No.`66,91. i

This invention relates especially to `apparatus for cooking meats andother food products by means of a charcoal lire.

It is one of the objects of the invention to to in which the fuel isautomatically and continuously replenished and in -vvhichthe 3 3 of Fig.1; andv i Fig. 4 is a plan view of the apparatus with articles to becooked are so arranged as to be subjected Ato the gases of combustionand to a substantially uniformheat, on' all sides.

A further object of theinvention is to pro#v vide an apparatus of thetype referred to that Will be especially adapted foruse by restaurantsand roadside eating places and which will require the minimum amount of"Fig. 2 is a transverse section on the line 2-2 of Fig. 1; v f

Fig. 3 is a transverse section on theline certain parts `shown insection." l

Referring to the drawings, 10'indcates an oven which is preferablyconstructed "with asbestos-lined side, to

heat.,k At one end of theoven 10 is a oombustion chamber 11 havinga firepot 12 in the ylower part thereof andvsloping side walls 13 and 14, toconvey the fuel to the firelpot 12. The combustion chamber 11 has aseries of inclined baffles. 15, 16 and 17 `which are so arranged as tofeed the fuel from `the space above the baffles 15y and A16 in a zig-'zag. stream to the fire potv 12. Arranged alongside of thecombustion.chamber 11 is a fuel compartment 18 having a bottom rformedby the inclined Wall 19 and the apron-conveyor 20, the lattermoving Vin the 1 direction lof lthe 'arrow in'Fig. 1 to carry the fuel,preferably charcoal, lupwardly tothe space above the baiiles 15 and 16."Covers 21 and 221are arranged over the combustion' j f 38 arein thelform lofidrawer's having `insulated outer vvalls 46 Which closeopeningsv chamber 18 and-fuel compartment.

vA shaft 23 is arranged below the fire pot 12 and another shaft 24 risarranged adjacent the remote end of the oven 10. The shaft 23 carries asprocket 25 and the shaft 24' a sprocket26 and a fuelconveyor 27 runs onand bottom Walls so asto be capable of e ciently conserving the` thesesprockets to convey the fuelfrom the firev pot '12 through the lowerpart of thev "oven 10, the' ashes being dischargedat the point 28.ASupported'on the bottom Wall 29 of the oven are the angle irons 30 and31 which are spaced'slightly abovethe vbottom Wall to provide grooves inwhich the `ends of the bars V32, on the conveyor 27, run, as

shown in Fig. 2. The bars 32 yfit closely together along their 'adjacentedges and are provldedwith openings 33 to admit airinto tice, I havefound that it is ldesirable to' move the conveyor 27 at such a" slowspeed -that its motion is barely perceptible.

Extending longitudinally through the 'the troughv formed bythe angleirons 30 and 31.

oven, some distance above the bottom Wall y 29 thereof is a baie 34which may be supported on the end walls of the oven and is preferablytapered in Width so as to uniformly distribute the gases of combustion,`

aoV

rising from the fuel on the conveyor 27, byL having the `spaces 35 and36 graduallyv in? crease ink Width, from the end ofthe oven that isadjacent to the combustionl chamber 11, to the opposite end. This willbest appear from Fig, 4. Above'the byale34, there are transverselyeXtendin bars 37 adapted Vto support one or mores eleton frames" 38ycomprising a Wireplatform or grid 39 Which j" support' drip pans 39containing the articles Vto be cooked. This arrangement permits the'-gases Vof combustionto circulate around all sides ofthe articles.

At the remote end of the oven, from the combustion chamber 11, there isa'discharge opening-40 for the gases .of combustiomthis openingcommunicating with a duct 41 eX#` tending through thefwalls [of the ovento al chimney 42. There are also openings43, 44 and 45 for, conveyingthe'smokefrom beneath thebaflles 15,v landvk 17 throughfw ductsin thefWall of the ,combustion chamber,`

tothel `ehimney 42, so that all of the gaseslare conveyedavvay bly thischimney; The ,frames -A in one of the side Walls through Which vthframes are inserted into the oven.

The conveyors 20 and 27 are operated from f veyor 27 throught-lie oven,beingsupplied` byair through the openings 33 so 4that they are entirelyconsumed by the time that they reach the point 28 where the ashes aredischarged. The conveyor 2O carries the fuel upwardly from the chamberor binV 18 to the upper part of" the combustion 'chamber vand itisgradually fed vbythe battles 15, 16 and 17 into the fire pot so that theapparatus is capable of continuous operationwithout attention on thepart of anV operator to replenish the fuel. By having the conveyor 20,it is possible to keep the reserve fuel supply, in the bin 18, entirelyaway from the lire.

Having thus described my invention, I claim: 1 i f Y l.` In apparatus ofthe class described, the combination of a combustion Chamber, an oven,means iii said ove-n for supporting the articles to be cooked, and acontinuous 'conveyor for carrying theV burning fuel from said chamberthrough said oven.

2. In apparatus of the class described, the combinationy of alcombustion chamber, an oven, means in said oven for supporting theVarticlesto Abe cooked, a continuous conveyor for carrying the burningfuel from said chamber through said oven, and means for supplying airtothe fuel throughout its travel through the oven. i i

ni apparatus er the dass described', ai@

combination of a combustion Chamber, any

oven,fin.eans in said oven forV Vsupporting the articles to be cooked, acontinuous conveyor for vcarrying the Aburning vfuel from saidl chamberthrough Vsaid oven, and said conveyor having openings for supplying airfrom below to the fuel thereon.

4. In apparatus of the vclass described, the combinationlof a combustionchamber,op

positely inclined bailes in said vchamber for .feeding the fueldownwardly by gravity-in a zig-zagpath, la fire pot'in the bottom ofsaid chamber, anoven alongside said chambei, an endless conveyor runningin a substantially horizontal 'directionk through lsaid fii'epot andsaid oven, longitudinally eXtend` ing guidesy at the sides of` saidconveyor. and

forming therewith atrough through which `a zig-zag path., a lire pot inthe bottom of -salid chamber, an oven alongside said chainber, anLendless conveyor ruiming in a sub-V stantially horizontal directionthrough said lire pot and said oven, longitudinally eX- tending guidesattlie sides of said conveyor andA forming therewith a trough throughwhich the burning fuel is conveyed, means for supplying air from belowthe conveyor to the fuel thereon andtlience to the interior of saidoven, ahorizontally arranged baiile in said Voven over said conveyor andspaced from the side walls of the ove-n to distribute the gases ofcombustion from the burning fuel on said conveyor throughout the upperportion of the oven, means for supporting the articles to be cooked inthe space above the last mentioned baie,iand means for driving saidconveyor.

6. In apparatus of the class described, the combination of a combustionchamber, oppositely inclined ballles in said chamber for feeling thefuel downwardly by gravity in a zig-zag path, a fire pot in the bottomof said chamber, an oven alongside said chainbei', an endless conveyorrunning in a substantially horizontal direction through said fire potand said oven, longitudinally extending guides at the sides of saidconveyor and pl'ying air from below the conveyor to the yfuel, thereonandthence to the interior of said oven, a horizontally arranged bafflein 'veyor for conveying fuel from said bin to the upper part lof saidcombustion chamber, and means for driving said conveyors.

In testimony whereof, I hereuntoafllx my 115 signature.

JOHN GRAIN.

Vformingtlierewith a trough through which ythe burning fuel is conveyed,means for supv`said ovenover said conveyor and spaced

